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Showing Visitor Messages 1 to 10 of 737
  1. Akita Best
    03-22-2019 11:56 AM - permalink
    Hi,Mark,how are you ? Im sorry i cant share any knowledge with you as im young and dumb I'd be grateful if you could advice me on that ,i created same thread for people to chime in.
    i want to use transmission yoke as pto with 7.3 as power source for my hydraulic pump.If i put in Drive at what gear(1,2,3,4) will be transmission yoke if i set rpm with programmer ,lets say 1500rpm .Pump needs 1800 rpm to ouput right gpm and pressure but transmission has 2.54 ratio in first gear which means it will be less than 800 rpm on yoke given transmission doesnt shift to second or third gear by that time.Theres also rearend speed sensor.
    How to calculate right speed at yoke ?
    Is it safe to run transmission at 1800 rpm for lets say 2 hrs. or i will need to add cooler
  2. Cmoney
    03-18-2019 09:51 AM - permalink
    Thank you sir for the info. So will I do damage to it driving it as it is if I don't use the Tow/haul mode? Will I end up getting stranded?
    If I were to take it in to a shop would that be an expensive repair? I don't now much about transmissions and want to protect myself from getting screwed .

    I really appreciate you taking the time to help
  3. Cmoney
    03-17-2019 11:14 AM - permalink

    I was wondering if you might be able to help me out. I have a 2006 f350 6.0 and I am having sporadic trans issues. I get a code to saying the shift sole A is stuck so I changed it and I still get the code. (everything looked good in the pan) The trans acts normal until I put it in tow/haul mode then it will occasionally hang or slip in this mode then it throws the code. When out of tow/haul everything seems normal. I often get code P2700 with P0751.

    Any help would be appreciated .
  4. Calleycatz
    01-20-2019 07:55 PM - permalink
    Mark, could I bug you to look at this post and give me your thoughts

  5. JAV1
    01-04-2019 12:30 PM - permalink
    Hi Mark - 3 things of concern.
    *used an 11" TC (Transtar FM-70) -Std 12 didn't fit- The new engine has less HP & torque than 5.4 did.
    *moved the trans cooler underneath - air flow is reduced.
    *trans sits at 6-7 degree incline -input higher than output -fluid level off?
    I get Trans Malfunction w/ p705, p708, p1702 codes & high temps
    Ordered new range sensor - & suctioned 1 qt out - cleaned harness. Helped a little but still get codes- but less frequently. Codes more so hot than cold.
    After 30 min , I see temps at 215. Any hills or hard accel- I can see 230? These temps are w/ unloaded truck- stock tires, air temps @ 40 deg F.
    I think I need more fluid? Hoping the trans malfunction IS the range sensor or wiring ? waiting on new sensor. I'd love your thoughts... especially on fluid lev and temps
  6. JAV1
    01-04-2019 12:10 PM - permalink
    Mark did you get my other message? I don't see it here?
  7. JAV1
    01-03-2019 09:43 AM - permalink
    Hi Mark-

    Thanks for what you do for the community. I have a few 4R75E questions on a 2006 f150 4x4 that I converted to a diesel (Mercedes OM606- turbo diesel engine). Questions mostly related to fluid level and operating temps. I'm sure your busy but if you can help- please reply.


  8. BranMcGr
    12-22-2018 01:01 PM - permalink
    Well that is not good news. Thank you very much for your time, experience, and quick response, Mark.
  9. BranMcGr
    12-22-2018 12:47 PM - permalink
    That was the only problem I noticed for weeks, until lately the symptoms have increased. Now every time I come to a complete stop, the RPM's will surge a few seconds before kicking into first gear. Also, it is beginning to happen as I'm driving down the road in several different gears. I have been going 30 mph, 50 mph, and over 60 mph when all of a sudden it's like my transmission is in neutral and my RPM's surge up to 3000, but the truck is not responding to the acceleration. I have checked my transmission fluid which is still a good pink color, and plenty full if not over-filled (although I have never added any extra ATF to it, and it's ran fine for years). Based on these symptoms, do you have any advice for me where it sounds like my problem is coming from? Is the Transmission going to need to be rebuilt?, Torque Converter?, wiring? PCM?

    Thank you for any help you can give me.
  10. BranMcGr
    12-22-2018 12:47 PM - permalink
    Hey Mark, I joined Ford Truck Enthusiasts and contacted you because I have seen how incredibly experienced you are with Ford Transmissions, and wanted to see if you could offer me any advice. I own a 2001 F150 SuperCrew 4x4 with a 5.4L Triton engine and I believe the 4R75W Transmission. The engine has 337,000 miles on it, but was replaced after about 250,000 miles. I am not sure if the transmission has ever been rebuilt or replaced itself, though. A couple of months ago when it started getting cooler, I notice that my truck was taking a moment to engage into first gear once I backed it out of the drive way and went to put it into drive. It would stall a couple seconds before feeling it jump into first.

About Me

  • About Mark Kovalsky
    Former Ford automatic transmission engineer.
    SE Florida
    Flying, Antique cars and fire trucks.
    2 Letter State/Province (use "--" for outside USA/
    Country of Residence
    Econline or E-Series
    Current Mileage
    125,000 - 149,999
    Miles per year
    0 - 999
  • Signature
    Former Ford Automatic Transmission Engineer 1988 - 2007

    Nobody has made MERCON since 2006. MERCON V replaced MERCON. Get over it.


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  • Last Activity: Yesterday 10:14 PM
  • Join Date: 08-13-1999
  • Referrals: 1


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